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1   package org.apache.commons.digester3.binder;
2   
3   /*
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *   http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import org.apache.commons.digester3.Rule;
23  
24  /**
25   * Builder chained when invoking
26   * {@link LinkedRuleBuilder#addRuleCreatedBy(org.apache.commons.digester3.binder.RuleProvider)}.
27   *
28   * @param <R> The rule type will be returned by this builder
29   * @since 3.0
30   */
31  public final class ByRuleProviderBuilder<R extends Rule>
32      extends AbstractBackToLinkedRuleBuilder<R>
33  {
34  
35      private final RuleProvider<R> provider;
36  
37      ByRuleProviderBuilder( String keyPattern, String namespaceURI, RulesBinder mainBinder,
38                             LinkedRuleBuilder mainBuilder, RuleProvider<R> provider )
39      {
40          super( keyPattern, namespaceURI, mainBinder, mainBuilder );
41          this.provider = provider;
42      }
43  
44      /**
45       * {@inheritDoc}
46       */
47      @Override
48      protected R createRule()
49      {
50          return provider.get();
51      }
52  
53  }